Home / 5,420.66-7,481.20-3,062.75

Finding the Fourth Proportional to 5,420.66, 7,481.20 and 3,062.75

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Solution

The fourth proportional to 5,420.66, 7,481.20 and 3,062.75 is: 4,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.66 : 7,481.20 = 3,062.75 : x
  2. Step 2: Convert to fraction form
    5,420.66/7,481.20 = 3,062.75/x
  3. Step 3: Cross multiply
    5,420.66x = 7,481.20 × 3,062.75
  4. Step 4: Simplify right side
    5,420.66x = 22,913,045.30
  5. Step 5: Solve for x
    x = 22,913,045.30/5,420.66
  6. Step 6: Final answer
    x = 4,226.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.